Britain's Prince Charles has pointed to the world's failure to tackle climate change as a root cause of the civil war in Syria, terrorism and the consequent refugee crisis engulfing Europe. The heir to the British throne is due to give a keynote speech at the opening of a global climate summit in Paris next week where 118 leaders will gather to try to nail down a deal to limit rising greenhouse gas emissions. "Some of us were saying 20 something years ago that if we didn't tackle these issues, you would see ever greater conflict over scarce resources and...